# Zloth — full site content > Zloth is a free Chrome extension that summarizes YouTube videos directly from > their thumbnails. This file is the complete readable content of every > substantive page on zlothai.com, concatenated for single-fetch ingestion. > The curated index with per-page descriptions lives at https://www.zlothai.com/llms.txt. Generated: 2026-09-14 Pages included: 12 Not affiliated with YouTube or Google. --- ## Free YouTube Summarizer Chrome Extension — One Click | Zloth URL: https://www.zlothai.com/ Free YouTube Summarizer Chrome Extension — One Click | Zloth Free Chrome extension YouTube Summarized in One Click Zloth adds a button into YouTube thumbnails to summarize any video in one click. No copy/pasting links, no tab switching, no prompting. Add to Chrome - Free Watch Demo Free to start · 120 minutes of video every month · 7-day Pro trial 5.0 on the Chrome Web Store (5 ratings) × How it works 1 Browse YouTube Zloth adds a summarize button right on every thumbnail. 2 Click Summarize Get an AI summary without ever opening the video. 3 Saved to Your Library Every summary is kept and ready to organize in folders. 0:00 / 0:00 Summarize Generate summaries the way you want Use built-in prompts, save your own custom prompt or ask a quick question on the go. 💬 One Click Summary Summarize from the Thumbnail Hit summarize right from the YouTube thumbnail — no need to open the video. 📑 Built-in Prompts Analysis Summary Analysis prompt Generates a comprehensive analysis of the video, focusing on the key learnings and insights. It extracts the most important takeaways you would gain from watching the full video. Key features Identifies the main insights and learnings Structured, scannable bullet points Focuses on educational value Summary prompt Creates a detailed summary with clickable timestamps, so you can jump to specific parts of the video. Perfect for longer content where you want to navigate to particular sections. Key features Clickable timestamps for each point Comprehensive coverage of the video Maintains chronological flow Optimal Protocols for Studying & Learning Key Takeaways Learning is best achieved by focusing on the process of offsetting forgetting through deliberate testing. Foundational learning practices are not intuitive; many common beliefs about effective study methods are false. Neuroplasticity, the brain's ability to change, is primarily driven by strengthening and weakening existing neural connections, not necessarily forming new neurons. Sleep is critical for learning, as it facilitates the consolidation of memories and the refinement of neural pathways. Effective learning requires both focus and alertness, which can be enhanced through practices like mindfulness meditation and adequate sleep. Self-testing is a powerful learning tool that actively engages memory recall and identifies knowledge gaps. Exposure to novel and engaging information, especially when accompanied by emotional significance, enhances memory encoding and retention. Structuring learning sessions into shorter, focused blocks with breaks can improve concentration and reduce cognitive fatigue. The best way to learn is to actively engage with the material, rather than passively consuming it through reading or listening alone. Understanding the underlying mechanisms of learning, such as neuroplasticity and memory consolidation, can empower individuals to optimize their study strategies. Optimal Protocols for Studying & Learning Key Moments 00:09 Andrew Huberman introduces the podcast, focusing on science and science-based tools for everyday life. 00:15 The discussion will cover the best ways to study, remember, and effectively use new information. 00:56 Learning and the best learning practices are not intuitive; much of what we believe is incorrect. 01:52 The field of education, psychology, and neuroscience have converged to define optimal learning strategies. 02:30 Introduction of the sponsor, Eight Sleep, highlighting their smart mattress cover with cooling, heating, and sleep tracking capabilities. 02:44 A key factor for good sleep is the body temperature dropping by 1-3 degrees Celsius. 03:01 Eight Sleep's pod cover helps control sleep temperature and tracks sleep stages. 04:03 Introduction of the sponsor, BetterHelp, an online therapy platform. 04:23 Regular therapy is considered as important as regular exercise for overall health. 05:12 Introduction of the sponsor, Waking Up, a meditation app with various programs. 05:22 Meditation can positively impact focus, stress management, and mood. 07:04 Research indicates that preferred learning styles are not a strong predictor of learning success. 07:11 The best way to study and learn is to focus on memory systems that offset forgetting. 08:43 Neuroplasticity refers to the brain's ability to change in response to experience. 09:08 Neuroplasticity involves strengthening, weakening, and forming new neural connections. 10:09 Neurogenesis (creation of new neurons) plays a minimal role in learning compared to connection modification. 11:12 The key to better learning is offsetting the natural process of forgetting. 11:30 Testing oneself, even with errors, is more effective for learning and retention than simply rereading material. 13:35 The best learning practices are not intuitive and often involve active engagement and deliberate practice. 13:54 The optimal learning strategies identified include setting aside dedicated time, minimizing distractions, and consistent study sessions. 15:15 Another crucial tool for learning is teaching others, which reinforces understanding and retention. 17:19 The emotional context of learning significantly impacts memory encoding and recall. 18:08 Good sleep is fundamental for optimal cognitive function, including focus and learning. 18:40 Practicing mindfulness meditation, even for short periods, can improve focus and learning capabilities. 19:10 Self-testing, particularly with spaced repetition and retrieval practice, is a powerful learning tool. 20:30 The concept of "desirable difficulties" suggests that learning challenges, like self-testing, enhance long-term retention. 21:11 Motivation, especially long-term motivation tied to future goals, plays a crucial role in sustained learning efforts. 22:13 Interleaving different subjects or skills during study sessions can improve learning outcomes. 23:11 The importance of attention and focus in learning cannot be overstated. 24:40 Understanding the neural mechanisms underlying learning, such as neuroplasticity, provides a foundation for effective learning strategies. 26:46 Sleep is paramount for memory consolidation and overall learning ability. 30:04 The study of learning habits indicates that successful students actively schedule study time, minimize distractions, and study alone. 33:10 Learning is not passive; it requires active engagement and deliberate effort. 34:14 The effectiveness of learning strategies is enhanced by emotional engagement with the material. 36:15 Good sleep hygiene is essential for optimal brain function and memory consolidation. 37:17 Self-testing (retrieval practice) is a powerful tool for enhancing long-term learning and retention. 38:40 Understanding the neural basis of learning (neuroplasticity) is key to optimizing study strategies. 43:10 The best learning occurs when learners are actively engaged and focused on the material. 44:13 The three key learning strategies identified are: focused attention, active recall (testing), and spaced learning. 47:03 Learning through errors and subsequent correction is an effective method for strengthening neural pathways. 50:10 The research strongly supports the effectiveness of self-testing as a learning strategy. 52:10 Understanding the brain's mechanisms for encoding and consolidating information is critical for improving learning. 54:11 The act of testing oneself, even when incorrect, aids in memory retrieval and learning. 57:17 Long-term learning and memory are significantly impacted by emotional state and motivation. 59:18 Deliberate practice, which involves focused effort and challenge, leads to greater mastery than passive review. 1:01:10 Interleaving different subjects and retrieval practice are more effective learning strategies than massed practice. 1:04:10 Sleep is critical for memory consolidation and optimal learning. 1:08:10 The importance of active engagement and minimizing distractions cannot be overstated for effective learning. 1:12:10 Understanding neuroplasticity provides insights into how the brain learns and adapts. 1:16:10 The effectiveness of learning is enhanced by emotional investment and intrinsic motivation. 1:19:10 Consistent practice and retrieval are key to long-term knowledge retention. 1:22:10 Learning is an active process that requires effort and engagement, not just passive reception of information. 1:25:10 The brain's ability to change (neuroplasticity) is the foundation of learning. ⚡ Quick Prompts Quick Prompts Write a quick question on the go, if you just want to answer one thing. ✏️ Custom Prompts Save your own Prompts Write a custom prompt once and re-use. Consume Consume your summaries the way you want Read, listen, send it to your inbox or jump to the relevant part of the video. Terence Tao on the cosmic distance ladder Key Takeaways The video explores the "Cosmic Distance Ladder," a series of methods used to measure distances to celestial objects, starting with Earth and extending to distant galaxies. The shape of the Earth was first proven to be spherical through observations of lunar eclipses, where Earth's shadow on the moon is consistently circular. Eratosthenes calculated the Earth's circumference by comparing the angle of the sun's rays in Syene and Alexandria at noon on the summer solstice. The distance to the moon was estimated using observations of lunar eclipses, comparing the duration of the moon's passage through Earth's shadow to its orbital period. The relative sizes of the moon and Earth were determined by comparing how long it took for the moon to pass through Earth's shadow during an eclipse. Solar eclipses revealed that the sun and moon appear to be the same size in the sky, a coincidence that allowed for early estimations of the sun's distance. Aristarchus estimated the sun's distance by observing the angle between the sun and moon when the moon is half-illuminated, though his measurements were imprecise due to the difficulty of accurately measuring the angle. The Copernican model, which proposed planets orbit the sun, was initially met with skepticism partly because it didn't align with observations of stellar parallax (the apparent shift in star positions due to Earth's movement). Johannes Kepler, using Tycho Brahe's detailed astronomical data, was able to deduce that planetary orbits are not circular but elliptical, a significant departure from previous models. Kepler's Laws of Planetary Motion, derived from this data, provided a more accurate description of the solar system and laid the groundwork for future astronomical measurements. Reading summary… 🔊 Audio Text-to-Speech Dont even read — turn any summary into natural-sounding audio and listen while you browse. ⏱️ Navigate Clickable Timestamps Jump straight to the key moments in the video. ✉️ Inbox Email Delivery Send summaries to your inbox — per video or daily/weekly digest. Save & Organize Keep every useful summary where you can find it from anywhere in your browser Zloth saves your work into a synced customizable folder library with Markdown-enabled output. 📂 Organize Folders Organize summaries in custom folders — drag and drop to reorganize. 🔄 Cloud Sync Sign in with Google, and your entire library stays in sync automatically. 📋 Export Markdown Enabled Summaries are formatted for clean reading, copying, and reuse in notes, docs, or knowledge bases. ☀️ Theme Light & Dark Mode Switch between light and dark mode to match your preference or environment. Just need the transcript? Get the full text of any YouTube video with timestamps — free, no signup, no extension required. Paste a YouTube URL to get its transcript Get Transcript Free, no signup — fetches the transcript with timestamps in seconds. Or open the full YouTube transcript generator . See it in action A quick walkthrough of Zloth on YouTube. Pricing Monthly Yearly Save $36/yr Free $0 placeholder • 120 credits per month (2 hours of video) • Clickable timestamps • Listen to summaries (text-to-speech) • Built-in prompts • Quick Prompts: one-off custom prompts Add to Chrome Pro Best Value $7.99 /month $4.99 /month Billed monthly $59.88 billed annually · save $36/year ✨ 7-day free trial · cancel anytime • 1500 credits per month (25 hours of video) • 50 minutes of Pro AI TTS per month • Everything in Free • Priority summary processing • Any video length • Reusable saved custom prompts • Automatic email delivery Start 7-day free trial Need more credits? Top up 1,000 credits for $4.99 · valid for 12 months Add Credits 1 credit = 1 minute of video summary Not satisfied? We will return your money. Why Zloth? Most YouTube summarizers make you jump through hoops. Zloth works where you already are. Other tools Zloth Open the video, find the extension button Click "Summarize" right on the thumbnail Summary disappears when you close the tab Every summary is saved and organized in folders Copy the URL, paste it into another tool Built directly into YouTube Comparing options? See how Zloth stacks up in the best YouTube summarizer guide . Just need the raw text of a video? Use the free YouTube transcript generator . Rather do it by hand? Read how to summarize a YouTube video with ChatGPT . Frequently Asked Questions Can I use it for free? Yes, there is a free version with 120 credits per month — 1 credit summarizes 1 minute of video, so 120 credits covers about two hours. Pro adds a 7 day free trial. How much does Pro cost? Pro is $7.99/month or $59.88/year. The yearly plan is equivalent to $4.99/month and saves about $36/year. What if I spent all my credits and need more? You can buy a one-time pack of 1000 summary credits for $4.99, valid for 12 months. Credit packs do not include Pro AI TTS minutes. Do I need a Google account to use the extension? Yes, you have to use the extension with the same Google account that you use for YouTube. How do credits work? 1 credit = 1 minute of video summary, regardless of the prompt type. Pro includes 1500 summary credits and 50 minutes of Pro AI TTS per month. Do credits expire? Yes, free and subscriptions credits expire after one month. Credits from the Credit Pack expire after one year. Subscription credits are always consumed first. Are there any limits for custom prompts? Yes, currently there is a 1000 character limit for your custom prompt. This limit might be increased in the future. What languages are available? The built-in Summary and Analysis modes use English. Your custom prompt can be written in any language and the AI will usually answer in it. What AI is used? Google's Gemini AI. Can I cancel my subscription any time? Yes, You can cancel any time in the billing portal. Login on the website and click "Manage subscription", or use "Manage subscription" from the extension's settings. Can I install the extension on other Browsers? No, currently the extension is only available on Google Chrome. I hope to bring this extension to other browsers in the future. How can I reach out to you? You can always reach out to us by filling out the contact formular or sending an email to support@zlothai.com. Still comparing tools? Read the best YouTube summarizer guide for a side-by-side look at Zloth, Eightify, Glasp, and NoteGPT. We use analytics and advertising cookies to measure traffic. See our Privacy Policy . Decline Accept --- ## About | Zloth URL: https://www.zlothai.com/about/ About | Zloth About Zloth AI-powered YouTube summaries — right from the thumbnail. We get it—there's too much video content and not enough time. Zloth is a Chrome extension that lets you summarize any YouTube video without even opening it. Every summary is saved to your browser, organized in folders, and ready when you are. Our Mission Video has become the world's classroom. From tutorials and lectures to documentaries and thought leadership—knowledge lives on YouTube. But watching everything takes time you don't have. We built Zloth to bridge that gap. Our goal is simple: help you extract maximum value from video content with minimum friction. Whether you're a student researching for a paper, a professional staying current in your field, or a curious mind exploring new topics—Zloth lets you learn on your terms. Who It's For Students : Quickly review lecture recordings, research videos, and educational content. Professionals : Stay up-to-date with industry talks, webinars, and conference recordings. Knowledge Seekers : Scan through hours of interviews, podcasts, and documentary footage. Lifelong learners : Explore new topics without committing hours to every video. What Makes Us Different Summarize from the thumbnail : No need to open the video first. The "Summarize" button appears right on YouTube thumbnails — decide what's worth watching before you commit. Your personal summary library : Every summary is saved to your browser. Organize them in folders, sync across devices, and revisit anytime — even offline. Timestamped insights : Jump directly to the moments that matter with clickable timestamps. Privacy-first : We only process videos you choose, and product analytics avoids summary content, transcripts, tokens, payment details, and raw email addresses. No ads, no data selling. If you're comparing Zloth with other AI YouTube summary tools, start with our best YouTube summarizer guide . Our Values Respect your time : Every feature is designed to save you minutes and hours. Respect your privacy : Minimal permissions, no data selling, transparent practices. Keep it simple : Powerful features that just work, without complexity. Get in Touch Have questions, feedback, or ideas? We'd love to hear from you. Email : support@zlothai.com Or visit our Contact page to send us a message. We use analytics and advertising cookies to measure traffic. See our Privacy Policy . Decline Accept --- ## Best Free YouTube Summarizer 2026: Zloth vs Eightify & More URL: https://www.zlothai.com/best-youtube-summarizer/ Best Free YouTube Summarizer 2026: Zloth vs Eightify & More YouTube summarizer comparison Best free YouTube summarizer 2026? Compare Zloth vs Eightify, Glasp, and NoteGPT for the real workflow: summarize faster, avoid copy-pasting links, keep useful summaries, and decide what is worth watching. Add to Chrome - Free See the table Key Takeaways Zloth is the best free YouTube summarizer for people who want to summarize from the YouTube thumbnail before opening a video. Eightify, Glasp, and NoteGPT are stronger when you want broader ecosystems: mobile apps, highlighting/export workflows, or batch study tools. Zloth is free to start with 120 credits a month — 1 credit per minute of video, so roughly two hours — then Pro is $7.99/month or $59.88/year. Free Quick Prompts let anyone type a one-off question on a YouTube thumbnail with the Ask button, without saving a prompt or opening the video. The main Zloth difference is workflow: no copy-pasting links, no tab switching, and every summary is saved into a library with folders. If you live inside YouTube and Chrome, Zloth is intentionally narrower, faster, and easier to keep using. First-party comparison proof How we compared these YouTube summarizers Last updated: June 15, 2026 We compared Zloth, Eightify, Glasp, and NoteGPT using public product pages, pricing pages, and Chrome Web Store listings where available. We focused on YouTube-summary workflow, free tier, pricing, clickable timestamps, custom prompts, free one-off Quick Prompts, saved-summary organization, and whether users can avoid copy-pasting links. Competitor claims are limited to facts visible on public pages checked on June 14, 2026. Pricing and feature limits can change. Zloth claims are first-party product claims based on the current Chrome extension: thumbnail summaries, Summary and Analysis modes, free Quick Prompts (one-off custom questions from any thumbnail), Pro saved custom prompts, saved folders, sync, and text-to-speech. Source Checked Used for Eightify website June 14, 2026 Feature claims, positioning, platform coverage Eightify Chrome Web Store listing June 14, 2026 Free trial, Chrome extension claims, feature list Glasp YouTube summarizer page June 14, 2026 YouTube summary features, model/prompt claims Glasp pricing June 14, 2026 Free and paid plan limits NoteGPT YouTube summarizer page June 14, 2026 YouTube summary features, batch/playlist claims NoteGPT pricing June 14, 2026 Paid plan pricing and quota claims Zloth vs Eightify Zloth is the cleaner Eightify alternative when your main job is deciding from the YouTube feed, saving the result, and organizing summaries without opening every video first. Full comparison Zloth vs Glasp Zloth is the simpler Glasp alternative when you want YouTube-first summaries from thumbnails, a private saved library, folders, and Chrome-only focus. Full comparison Zloth vs NoteGPT Zloth is the lighter NoteGPT alternative when the important workflow is one-click YouTube browsing, saved summaries, folders, and no link-copying loop. Full comparison YouTube summarizer comparison table A practical feature comparison focused on workflow, free tier, organization, and pricing. Competitor facts checked against public pages in June 2026. Swipe to compare all tools Criteria Zloth Eightify Glasp NoteGPT Best fit YouTube-first Chrome users who want summaries before opening videos. Power users who want mobile apps and comment overview. Learners who also highlight, export, and build a public knowledge trail. Students who want batch processing and an all-in-one AI study suite. Summarize from thumbnail Yes. Zloth adds a Summarize button directly to YouTube thumbnails and watch pages. Primarily promoted as a YouTube-tab extension button after opening a video. Promoted as a Chrome extension and URL-based summarizer with on-page summaries. Primarily promoted as paste/add-link online summarization and batch processing. No copy-pasting links Yes. The core workflow happens inside YouTube. Yes for extension use on YouTube videos. Yes with the extension; URL paste is also promoted. No for the main web workflow; users paste or add video links. Clickable timestamps Yes in Summary mode. Yes. Timestamped navigation is promoted publicly. Yes. Timestamped transcripts and summaries are promoted publicly. Yes. Timestamped video notes are part of its learning workflow. Custom prompts Yes. Save a reusable custom prompt on Pro that powers the default Summarize button. Customization is promoted for focus, format, length, grouping, emojis, and titles. Yes. Custom prompt support is promoted publicly. Yes. Custom prompt and summary length are promoted publicly. Quick Prompts (ask from the thumbnail) Yes, free for everyone. Type a one-off question on any YouTube thumbnail with the Ask button - no saved prompt and no opening the video. Customization options are promoted, but not as a one-off prompt typed on a thumbnail on pages checked. Custom prompts are promoted, typically from the video or URL rather than a one-off ask on a thumbnail. Custom prompt and length are promoted inside the paste-link workflow, not as a per-thumbnail one-off ask. Saved and organized library Yes. Summaries save to a personal library with folders and sync. Sharing and articles are promoted; a Zloth-style folder library is not the public focus. Yes, as part of a broader highlights, notes, and exports workflow. Yes, through NoteGPT notes, but the YouTube page emphasizes generated online summaries. Text-to-speech Yes. Built-in TTS, with Pro AI TTS minutes. Not a primary public YouTube summarizer claim on pages checked. Not a primary public YouTube summarizer claim on pages checked. Voice tools exist in the broader product suite. Free tier Free to start with 120 credits per month (1 credit = 1 minute of video). Chrome Web Store listing mentions a 7-day free trial. Free plan lists 3 basic YouTube summaries per day. Free online summarizer is promoted; paid plans add quotas and processing power. Entry paid price $7.99/month or $59.88/year for Pro. In-app purchases; simple public monthly price not found on checked pages. $12.50/month when billed annually for Pro. $9/month for Pro. Chrome-only focus Yes. Focused on Chrome and YouTube. No. Chrome, iOS, Android, and web/mobile are promoted. No. Chrome, Safari, Edge, Firefox, iOS, and Android are promoted. No. Broad web app and AI learning suite. When Zloth is the better pick When you want the fastest in-flow decision: summarize from the feed, save it, organize it, and move on. Choose Zloth over Eightify if thumbnail-first workflow and a saved folder library matter most. Choose Zloth over Glasp if you do not want a broader social highlighting system. Choose Zloth over NoteGPT if you want less copy/paste and fewer all-in-one app surfaces. Screenshots and media See the Zloth workflow These are first-party product captures: thumbnail summaries, timestamp output, and the saved summary library. Summarize from the YouTube thumbnail Zloth places the action before the click, so you can decide whether a video is worth opening. Clickable timestamp summaries Summary mode turns long videos into timestamped notes you can jump through. Saved summary library Useful summaries become a reusable library with folders and sync. Actual review Actual review: where Zloth wins Zloth is best when the YouTube feed is the starting point. Its strongest advantage is not a longer feature list; it is reducing the steps between seeing a video and knowing whether it is worth your time. Best for Students screening lectures and tutorials before committing to a full watch. Researchers and professionals who want timestamped notes without losing their browsing flow. People who want summaries saved into folders instead of temporary AI chat output. Not the best fit for Users who need mobile apps more than a Chrome-first workflow. Users who want a broad highlighting, PDF, or all-in-one AI study suite. Teams that need batch processing of many links at once. Author profile Alexander Specht Maker of Zloth I built Zloth around the moment before you click a video. Most tools help after you already opened the tab. Zloth is meant to answer the earlier question: is this video worth my time at all? About Zloth Contact Chrome Web Store The best free YouTube summarizer depends on your workflow Zloth is intentionally narrow: it is a Chrome extension for people who already browse YouTube and want the summary before they commit to watching. That is why the thumbnail button, saved folders, and in-browser library matter more than a long menu of unrelated AI tools. If you only need the raw text of a video rather than a summary, the free YouTube transcript generator gives you the full transcript with timestamps — no install required. Prefer the manual route? See how to summarize a YouTube video with ChatGPT . When each tool is the better pick Zloth: fastest Chrome workflow, thumbnail summaries, free Quick Prompts, saved folder library, free to start. Eightify: mobile apps, comment overview, and broad multilingual support. Glasp: highlights, exports, social learning, and a broader personal knowledge system. NoteGPT: batch summarization, playlists, and a larger AI study workspace. Un-copyable proof Example first-party Zloth summary A real Zloth-style summary of our own 20-second product demo transcript. Zloth product demo 00:00 - The problem: opening every YouTube video wastes time before you know whether it is worth watching. 00:04 - Zloth adds the summary action directly to the YouTube thumbnail. 00:08 - The extension returns timestamps and key takeaways, or answers a free one-off Quick Prompt typed on the thumbnail. 00:12 - Summaries are saved into folders and synced across devices. 00:16 - The CTA is simple: add Zloth to Chrome and learn more while watching less. Maker POV Alexander Specht Maker of Zloth I built Zloth around the moment before you click a video. Most tools help after you already opened the tab. Zloth is meant to answer the earlier question: is this video worth my time at all? Add to Chrome - free Try Zloth on the next YouTube video you are tempted to open. If the summary is enough, you just got your time back. Add to Chrome - Free Zloth vs Eightify Frequently Asked Questions Is Zloth free? Yes. Zloth is free to start with 120 credits per month — 1 credit summarizes 1 minute of video. Pro is available for heavier use. What is the best free YouTube summarizer 2026? If you want a Chrome extension that summarizes directly from YouTube thumbnails and saves summaries into folders, Zloth is built for that workflow. If you need batch processing, mobile apps, or a broader note-taking suite, compare Zloth with Eightify, Glasp, and NoteGPT first. Zloth vs Eightify: which is better? Zloth is better for thumbnail-first YouTube browsing and a saved folder library. Eightify is worth considering if mobile apps, top comment overview, and broad multilingual support are more important. Zloth vs Glasp: which is better? Zloth is better if you want a focused YouTube summarizer inside Chrome. Glasp is better if you want highlighting, exports, social learning, and summaries across web pages and PDFs too. Zloth vs NoteGPT: which is better? Zloth is better if you want fewer steps while browsing YouTube. NoteGPT is better if you want a broad AI learning suite with batch summarization and many non-YouTube tools. Does Zloth require copying and pasting YouTube links? No. Zloth works directly on YouTube thumbnails and watch pages, so you can summarize without switching tabs or pasting links into another tool. What are Quick Prompts in Zloth? Quick Prompts let you type a one-off question directly on any YouTube thumbnail with the Ask button, then get an answer for that specific video without saving a prompt or opening it first. Quick Prompts are free for everyone, and the answer is saved into your library like any other summary. Sources checked Competitor features and pricing change. These public pages were checked on June 14, 2026 for the first-pass comparison. Eightify website (June 14, 2026) Eightify Chrome Web Store listing (June 14, 2026) Glasp YouTube summarizer page (June 14, 2026) Glasp pricing (June 14, 2026) NoteGPT YouTube summarizer page (June 14, 2026) NoteGPT pricing (June 14, 2026) We use analytics and advertising cookies to measure traffic. See our Privacy Policy . Decline Accept --- ## Contact | Zloth URL: https://www.zlothai.com/contact/ Contact | Zloth Contact Us Have a question, feedback, or need help? We'd love to hear from you. Fill out the form below or email us directly. Name Email Subject Select a topic General Question Bug Report Feature Request Billing & Subscription Account Issue Other Message Send Message Email Us Directly support@zlothai.com Quick Links FAQ Terms of Service Privacy Policy Refund Policy Impressum Account We use analytics and advertising cookies to measure traffic. See our Privacy Policy . Decline Accept --- ## Eightify Alternative: Free YouTube Summarizer | Zloth URL: https://www.zlothai.com/eightify-alternative/ Eightify Alternative: Free YouTube Summarizer | Zloth Alternative comparison Eightify alternative If Eightify feels broader than what you need, Zloth is a focused YouTube summarizer Chrome extension built around one click from the YouTube feed. Add to Chrome - Free Compare features Key Takeaways Zloth is a focused Eightify alternative for Chrome users who want fewer steps. Zloth vs Eightify in one line: Zloth starts on the YouTube thumbnail, not in a separate link-paste workflow. Free Quick Prompts let you ask a one-off question right on a thumbnail without saving a prompt or opening the video. Eightify can still be the better pick if you want people who want a mature youtube summarizer with mobile apps, multilingual summaries, and comment overview. First-party comparison proof How we compared these YouTube summarizers Last updated: June 15, 2026 We compared Zloth, Eightify, Glasp, and NoteGPT using public product pages, pricing pages, and Chrome Web Store listings where available. We focused on YouTube-summary workflow, free tier, pricing, clickable timestamps, custom prompts, free one-off Quick Prompts, saved-summary organization, and whether users can avoid copy-pasting links. Competitor claims are limited to facts visible on public pages checked on June 14, 2026. Pricing and feature limits can change. Zloth claims are first-party product claims based on the current Chrome extension: thumbnail summaries, Summary and Analysis modes, free Quick Prompts (one-off custom questions from any thumbnail), Pro saved custom prompts, saved folders, sync, and text-to-speech. Source Checked Used for Eightify website June 14, 2026 Feature claims, positioning, platform coverage Eightify Chrome Web Store listing June 14, 2026 Free trial, Chrome extension claims, feature list Glasp YouTube summarizer page June 14, 2026 YouTube summary features, model/prompt claims Glasp pricing June 14, 2026 Free and paid plan limits NoteGPT YouTube summarizer page June 14, 2026 YouTube summary features, batch/playlist claims NoteGPT pricing June 14, 2026 Paid plan pricing and quota claims A free alternative to Eightify Zloth is the cleaner Eightify alternative when your main job is deciding from the YouTube feed, saving the result, and organizing summaries without opening every video first. Zloth: summarize from thumbnails, avoid tab switching, save summaries into folders, sync across devices. Eightify: People who want a mature YouTube summarizer with mobile apps, multilingual summaries, and comment overview. Would rather not install anything? Our free guides cover the manual route: how to summarize a YouTube video with ChatGPT , and how to get a transcript of a YouTube video . When Eightify is the better pick Eightify is a good pick if mobile apps, top comment summaries, or 40+ language coverage matter more than building a saved summary library inside Chrome. Public pricing note: Chrome Web Store listing mentions a 7-day free trial and in-app purchases; public pages checked did not expose a simple monthly price. YouTube summarizer comparison table A practical feature comparison focused on workflow, free tier, organization, and pricing. Competitor facts checked against public pages in June 2026. Swipe to compare all tools Criteria Zloth Eightify Best fit YouTube-first Chrome users who want summaries before opening videos. Power users who want mobile apps and comment overview. Summarize from thumbnail Yes. Zloth adds a Summarize button directly to YouTube thumbnails and watch pages. Primarily promoted as a YouTube-tab extension button after opening a video. No copy-pasting links Yes. The core workflow happens inside YouTube. Yes for extension use on YouTube videos. Clickable timestamps Yes in Summary mode. Yes. Timestamped navigation is promoted publicly. Custom prompts Yes. Save a reusable custom prompt on Pro that powers the default Summarize button. Customization is promoted for focus, format, length, grouping, emojis, and titles. Quick Prompts (ask from the thumbnail) Yes, free for everyone. Type a one-off question on any YouTube thumbnail with the Ask button - no saved prompt and no opening the video. Customization options are promoted, but not as a one-off prompt typed on a thumbnail on pages checked. Saved and organized library Yes. Summaries save to a personal library with folders and sync. Sharing and articles are promoted; a Zloth-style folder library is not the public focus. Text-to-speech Yes. Built-in TTS, with Pro AI TTS minutes. Not a primary public YouTube summarizer claim on pages checked. Free tier Free to start with 120 credits per month (1 credit = 1 minute of video). Chrome Web Store listing mentions a 7-day free trial. Entry paid price $7.99/month or $59.88/year for Pro. In-app purchases; simple public monthly price not found on checked pages. Chrome-only focus Yes. Focused on Chrome and YouTube. No. Chrome, iOS, Android, and web/mobile are promoted. When Zloth is the better pick When you want the fastest in-flow decision: summarize from the feed, save it, organize it, and move on. Choose Zloth over Eightify if thumbnail-first workflow and a saved folder library matter most. Screenshots and media See the Zloth workflow These are first-party product captures: thumbnail summaries, timestamp output, and the saved summary library. Summarize from the YouTube thumbnail Zloth places the action before the click, so you can decide whether a video is worth opening. Clickable timestamp summaries Summary mode turns long videos into timestamped notes you can jump through. Saved summary library Useful summaries become a reusable library with folders and sync. Actual review Actual review: where Zloth wins Zloth is best when the YouTube feed is the starting point. Its strongest advantage is not a longer feature list; it is reducing the steps between seeing a video and knowing whether it is worth your time. Best for Students screening lectures and tutorials before committing to a full watch. Researchers and professionals who want timestamped notes without losing their browsing flow. People who want summaries saved into folders instead of temporary AI chat output. Not the best fit for Users who need mobile apps more than a Chrome-first workflow. Users who want a broad highlighting, PDF, or all-in-one AI study suite. Teams that need batch processing of many links at once. Author profile Alexander Specht Maker of Zloth I built Zloth around the moment before you click a video. Most tools help after you already opened the tab. Zloth is meant to answer the earlier question: is this video worth my time at all? About Zloth Contact Chrome Web Store Eightify feature notes Summaries, key insights, timestamped navigation, top comment overview, transcript generation, and 40+ language support are promoted publicly. Chrome Web Store listing says Eightify summarizes videos up to 10 hours and works on Chrome, iOS, and Android. The public listing describes customization for insight focus, format, length, grouping, emoji usage, and titles. Un-copyable proof Example first-party Zloth summary A real Zloth-style summary of our own 20-second product demo transcript. Zloth product demo 00:00 - The problem: opening every YouTube video wastes time before you know whether it is worth watching. 00:04 - Zloth adds the summary action directly to the YouTube thumbnail. 00:08 - The extension returns timestamps and key takeaways, or answers a free one-off Quick Prompt typed on the thumbnail. 00:12 - Summaries are saved into folders and synced across devices. 00:16 - The CTA is simple: add Zloth to Chrome and learn more while watching less. Maker POV Alexander Specht Maker of Zloth I built Zloth around the moment before you click a video. Most tools help after you already opened the tab. Zloth is meant to answer the earlier question: is this video worth my time at all? Try Zloth free in Chrome Use the next YouTube thumbnail as the test. If the summary answers the question, you can skip the video or save it for later. Add to Chrome - Free Back to hub Frequently Asked Questions Is Zloth a free Eightify alternative? Yes. Zloth is free to start and is a focused Eightify alternative for Chrome users who want to summarize YouTube videos from thumbnails and save results into folders. Eightify is a good pick if mobile apps, top comment summaries, or 40+ language coverage matter more than building a saved summary library inside Chrome. Zloth vs Eightify: which is better? Zloth is better if you want thumbnail-first Chrome summaries and a saved folder library. Eightify is a good pick if mobile apps, top comment summaries, or 40+ language coverage matter more than building a saved summary library inside Chrome. What does Eightify do well? Eightify is a good pick if mobile apps, top comment summaries, or 40+ language coverage matter more than building a saved summary library inside Chrome. Does Zloth summarize YouTube videos without copying links? Yes. Zloth adds a Summarize button directly to YouTube thumbnails and watch pages, so you can stay in YouTube instead of pasting links into another tab. Is Zloth free? Yes. Zloth is free to start with 120 credits per month — 1 credit summarizes 1 minute of video. Pro is $7.99/month or $59.88/year for heavier use. Does Zloth save summaries? Yes. Every summary is saved into your personal library, and you can organize summaries in folders and sync them across devices. Sources checked Competitor features and pricing change. These public pages were checked on June 14, 2026 for the first-pass comparison. Eightify website (June 14, 2026) Eightify Chrome Web Store listing (June 14, 2026) Glasp YouTube summarizer page (June 14, 2026) Glasp pricing (June 14, 2026) NoteGPT YouTube summarizer page (June 14, 2026) NoteGPT pricing (June 14, 2026) We use analytics and advertising cookies to measure traffic. See our Privacy Policy . Decline Accept --- ## Feedback | Zloth URL: https://www.zlothai.com/feedback/ Feedback | Zloth Feedback Tell us what you think — what works, what doesn’t, what we should improve. We read every message. Got a feature idea? Post it on the suggestion board so other users can vote on it. Topic General feedback Something didn’t work Missing a feature Too expensive Other Your feedback Email (optional — only if you'd like a reply) Send Feedback We use analytics and advertising cookies to measure traffic. See our Privacy Policy . Decline Accept --- ## Glasp Alternative: Free YouTube Summarizer | Zloth URL: https://www.zlothai.com/glasp-alternative/ Glasp Alternative: Free YouTube Summarizer | Zloth Alternative comparison Glasp alternative If Glasp feels broader than what you need, Zloth is a focused YouTube summarizer Chrome extension built around one click from the YouTube feed. Add to Chrome - Free Compare features Key Takeaways Zloth is a focused Glasp alternative for Chrome users who want fewer steps. Zloth vs Glasp in one line: Zloth starts on the YouTube thumbnail, not in a separate link-paste workflow. Free Quick Prompts let you ask a one-off question right on a thumbnail without saving a prompt or opening the video. Glasp can still be the better pick if you want learners who already use glasp for web/pdf highlighting, public highlights, exports, and a broader personal knowledge workflow. First-party comparison proof How we compared these YouTube summarizers Last updated: June 15, 2026 We compared Zloth, Eightify, Glasp, and NoteGPT using public product pages, pricing pages, and Chrome Web Store listings where available. We focused on YouTube-summary workflow, free tier, pricing, clickable timestamps, custom prompts, free one-off Quick Prompts, saved-summary organization, and whether users can avoid copy-pasting links. Competitor claims are limited to facts visible on public pages checked on June 14, 2026. Pricing and feature limits can change. Zloth claims are first-party product claims based on the current Chrome extension: thumbnail summaries, Summary and Analysis modes, free Quick Prompts (one-off custom questions from any thumbnail), Pro saved custom prompts, saved folders, sync, and text-to-speech. Source Checked Used for Eightify website June 14, 2026 Feature claims, positioning, platform coverage Eightify Chrome Web Store listing June 14, 2026 Free trial, Chrome extension claims, feature list Glasp YouTube summarizer page June 14, 2026 YouTube summary features, model/prompt claims Glasp pricing June 14, 2026 Free and paid plan limits NoteGPT YouTube summarizer page June 14, 2026 YouTube summary features, batch/playlist claims NoteGPT pricing June 14, 2026 Paid plan pricing and quota claims A free alternative to Glasp Zloth is the simpler Glasp alternative when you want YouTube-first summaries from thumbnails, a private saved library, folders, and Chrome-only focus. Zloth: summarize from thumbnails, avoid tab switching, save summaries into folders, sync across devices. Glasp: Learners who already use Glasp for web/PDF highlighting, public highlights, exports, and a broader personal knowledge workflow. Would rather not install anything? Our free guides cover the manual route: how to summarize a YouTube video with ChatGPT , and how to get a transcript of a YouTube video . When Glasp is the better pick Glasp is a good pick if YouTube summaries are part of a larger highlighting and note-export system across web pages, PDFs, Notion, Obsidian, and Readwise. Public pricing note: Free plan includes 3 basic YouTube summaries per day. Paid plans list Pro at $12.50/month when billed annually and Unlimited at $30/month. YouTube summarizer comparison table A practical feature comparison focused on workflow, free tier, organization, and pricing. Competitor facts checked against public pages in June 2026. Swipe to compare all tools Criteria Zloth Glasp Best fit YouTube-first Chrome users who want summaries before opening videos. Learners who also highlight, export, and build a public knowledge trail. Summarize from thumbnail Yes. Zloth adds a Summarize button directly to YouTube thumbnails and watch pages. Promoted as a Chrome extension and URL-based summarizer with on-page summaries. No copy-pasting links Yes. The core workflow happens inside YouTube. Yes with the extension; URL paste is also promoted. Clickable timestamps Yes in Summary mode. Yes. Timestamped transcripts and summaries are promoted publicly. Custom prompts Yes. Save a reusable custom prompt on Pro that powers the default Summarize button. Yes. Custom prompt support is promoted publicly. Quick Prompts (ask from the thumbnail) Yes, free for everyone. Type a one-off question on any YouTube thumbnail with the Ask button - no saved prompt and no opening the video. Custom prompts are promoted, typically from the video or URL rather than a one-off ask on a thumbnail. Saved and organized library Yes. Summaries save to a personal library with folders and sync. Yes, as part of a broader highlights, notes, and exports workflow. Text-to-speech Yes. Built-in TTS, with Pro AI TTS minutes. Not a primary public YouTube summarizer claim on pages checked. Free tier Free to start with 120 credits per month (1 credit = 1 minute of video). Free plan lists 3 basic YouTube summaries per day. Entry paid price $7.99/month or $59.88/year for Pro. $12.50/month when billed annually for Pro. Chrome-only focus Yes. Focused on Chrome and YouTube. No. Chrome, Safari, Edge, Firefox, iOS, and Android are promoted. When Zloth is the better pick When you want the fastest in-flow decision: summarize from the feed, save it, organize it, and move on. Choose Zloth over Glasp if you do not want a broader social highlighting system. Screenshots and media See the Zloth workflow These are first-party product captures: thumbnail summaries, timestamp output, and the saved summary library. Summarize from the YouTube thumbnail Zloth places the action before the click, so you can decide whether a video is worth opening. Clickable timestamp summaries Summary mode turns long videos into timestamped notes you can jump through. Saved summary library Useful summaries become a reusable library with folders and sync. Actual review Actual review: where Zloth wins Zloth is best when the YouTube feed is the starting point. Its strongest advantage is not a longer feature list; it is reducing the steps between seeing a video and knowing whether it is worth your time. Best for Students screening lectures and tutorials before committing to a full watch. Researchers and professionals who want timestamped notes without losing their browsing flow. People who want summaries saved into folders instead of temporary AI chat output. Not the best fit for Users who need mobile apps more than a Chrome-first workflow. Users who want a broad highlighting, PDF, or all-in-one AI study suite. Teams that need batch processing of many links at once. Author profile Alexander Specht Maker of Zloth I built Zloth around the moment before you click a video. Most tools help after you already opened the tab. Zloth is meant to answer the earlier question: is this video worth my time at all? About Zloth Contact Chrome Web Store Glasp feature notes Glasp promotes YouTube transcripts, timestamped summaries, custom prompts, multiple AI models, multiple languages, and transcript highlighting. Glasp pricing separates Basic YouTube Summaries from Advanced YouTube Summaries. Glasp is broader than YouTube: web/PDF highlighting, exports, PDF chat, audio transcription, and social learning are core parts of the product. Un-copyable proof Example first-party Zloth summary A real Zloth-style summary of our own 20-second product demo transcript. Zloth product demo 00:00 - The problem: opening every YouTube video wastes time before you know whether it is worth watching. 00:04 - Zloth adds the summary action directly to the YouTube thumbnail. 00:08 - The extension returns timestamps and key takeaways, or answers a free one-off Quick Prompt typed on the thumbnail. 00:12 - Summaries are saved into folders and synced across devices. 00:16 - The CTA is simple: add Zloth to Chrome and learn more while watching less. Maker POV Alexander Specht Maker of Zloth I built Zloth around the moment before you click a video. Most tools help after you already opened the tab. Zloth is meant to answer the earlier question: is this video worth my time at all? Try Zloth free in Chrome Use the next YouTube thumbnail as the test. If the summary answers the question, you can skip the video or save it for later. Add to Chrome - Free Back to hub Frequently Asked Questions Is Zloth a free Glasp alternative? Yes. Zloth is free to start and is a focused Glasp alternative for Chrome users who want to summarize YouTube videos from thumbnails and save results into folders. Glasp is a good pick if YouTube summaries are part of a larger highlighting and note-export system across web pages, PDFs, Notion, Obsidian, and Readwise. Zloth vs Glasp: which is better? Zloth is better if you want thumbnail-first Chrome summaries and a saved folder library. Glasp is a good pick if YouTube summaries are part of a larger highlighting and note-export system across web pages, PDFs, Notion, Obsidian, and Readwise. What does Glasp do well? Glasp is a good pick if YouTube summaries are part of a larger highlighting and note-export system across web pages, PDFs, Notion, Obsidian, and Readwise. Does Zloth summarize YouTube videos without copying links? Yes. Zloth adds a Summarize button directly to YouTube thumbnails and watch pages, so you can stay in YouTube instead of pasting links into another tab. Is Zloth free? Yes. Zloth is free to start with 120 credits per month — 1 credit summarizes 1 minute of video. Pro is $7.99/month or $59.88/year for heavier use. Does Zloth save summaries? Yes. Every summary is saved into your personal library, and you can organize summaries in folders and sync them across devices. Sources checked Competitor features and pricing change. These public pages were checked on June 14, 2026 for the first-pass comparison. Eightify website (June 14, 2026) Eightify Chrome Web Store listing (June 14, 2026) Glasp YouTube summarizer page (June 14, 2026) Glasp pricing (June 14, 2026) NoteGPT YouTube summarizer page (June 14, 2026) NoteGPT pricing (June 14, 2026) We use analytics and advertising cookies to measure traffic. See our Privacy Policy . Decline Accept --- ## YouTube Summary & Transcript Guides | Zloth URL: https://www.zlothai.com/guides/ YouTube Summary & Transcript Guides | Zloth Guides YouTube summary & transcript guides Practical, no-fluff walkthroughs for getting more out of YouTube videos in less time. How to summarize a YouTube video with ChatGPT ChatGPT can't watch videos — the transcript workflow that actually works, its limits, and the one-click shortcut. Read the guide → How to get a transcript of a YouTube video Three ways to get any video's transcript, from a one-paste free tool to YouTube's built-in panel. Read the guide → Free tool: YouTube transcript generator Paste any YouTube URL and get the full transcript with timestamps — free, no signup. Open the tool → We use analytics and advertising cookies to measure traffic. See our Privacy Policy . Decline Accept --- ## How to Get a Transcript of a YouTube Video (3 Ways, 2026) URL: https://www.zlothai.com/guides/get-transcript-of-youtube-video/ How to Get a Transcript of a YouTube Video (3 Ways, 2026) Guide How to get a transcript of a YouTube video Three ways, from fastest to most manual — plus what to do when a video has no captions at all. By Alexander Specht · Maker of Zloth · Updated July 13, 2026 Add to Chrome - Free Open the transcript tool Key Takeaways Fastest way: paste the video URL into a free transcript tool and copy the full text with timestamps in seconds. Built-in way: YouTube's own "Show transcript" panel (description → "…more" → Show transcript) works but is fiddly to copy from. Transcripts come from the video's caption track — manual captions when the creator uploaded them, auto-generated otherwise. If a video has no captions at all, no tool can produce a transcript; that is a YouTube limitation, not a tool problem. If the transcript is just a means to a summary, a one-click summarizer like Zloth skips the transcript step entirely. Method 1: paste the URL into a free transcript tool (fastest) Copy the video URL — a watch link, a short youtu.be link, or a Shorts link all work. Paste it into the free YouTube transcript generator and click Get Transcript. Copy the result — plain text, or with [mm:ss] timestamps if you need to reference moments. No signup, no install. The tool reads the caption track YouTube already stores for the video, so the result is instant. Try it now: paste a YouTube URL Get Transcript Free, no signup — fetches the transcript with timestamps in seconds. Method 2: YouTube's built-in transcript panel Open the video on YouTube (desktop browser). Below the video, expand the description ("…more"). Scroll down and click "Show transcript" . The transcript opens in a panel beside the video; toggle timestamps via the three-dot menu. Good for reading along. The catch: copying is fiddly — selecting across the panel grabs timestamps and text in awkward chunks, and there is no copy button. For anything you want to paste elsewhere, Method 1 is cleaner. On mobile: the panel exists in the YouTube app too — tap the video description, scroll down, tap "Show transcript". Same limitation, worse: text selection in the app is even clumsier. On a phone, opening the transcript tool from Method 1 in your mobile browser is the practical route. Multiple languages: if a video has caption tracks in several languages, the panel has a language picker at the bottom. Handy when you want the original-language transcript rather than YouTube's auto-translation. Which method should you use? Criteria Transcript tool YouTube panel Speed Seconds — paste URL, done Fast, but buried behind two clicks Copying the text One button, clean output Manual selection, awkward chunks Timestamps Optional [mm:ss] per line Shown, toggleable, hard to copy Reading along while watching No — separate page Yes, panel scrolls with playback Choosing a caption language Uses the default track Language picker in the panel Works for Shorts Yes, paste the Shorts URL No transcript panel on Shorts Rule of thumb: panel for reading along, tool for anything you intend to paste somewhere else — notes, a translator, or an AI chat. Method 3: when there are no captions A transcript can only exist if the video has a caption track. No captions means every transcript tool comes up empty — that's a YouTube limitation, not a tool problem. Your realistic options, in order of effort: Wait a few hours. YouTube auto-generates captions for most spoken-word videos shortly after upload. Brand-new uploads are the most common "no transcript" case, and it usually resolves itself. Transcribe it yourself. Run the audio through a speech-to-text service — the current crop (Whisper-based tools, built-in dictation in some note apps) is genuinely good. This is real transcription: expect to spend minutes, not seconds, and check the tool's file-length limits for long videos. Accept there's no text. Music videos and some non-speech content will never get meaningful captions. If a transcript tool returns nothing for a music video, that's the expected result. When captions do exist but are auto-generated, they're usually good enough for summaries and reference — just expect mangled names, brands, and technical terms, since the errors carry into anything you build on top of the transcript. Troubleshooting: transcript comes back empty or wrong "No transcript available" on a video that clearly has speech: usually a very fresh upload (captions not generated yet) or a live stream — live and premiere videos don't get a normal caption track until after they end and process. Try again later. Private, unlisted-restricted, or age-gated videos: tools can only read captions from videos they can access. If the video needs a login to watch, use YouTube's own transcript panel while logged in (Method 2). Transcript is in the wrong language: the tool returns the video's default caption track. For another language, use the language picker in YouTube's transcript panel — or paste the transcript into an AI chat and ask for a translation. Text quality is rough: that's the auto-generated track. There's no cleaner source — but an AI chat fixes most speech-to-text errors from context if you ask it to (see the ChatGPT guide ). What most people do with the transcript The most common next step is pasting it into an AI for a summary — we wrote up that exact workflow in how to summarize a YouTube video with ChatGPT . If that is your end goal every time, you can skip the transcript step entirely: the Zloth Chrome extension summarizes any video in one click from its thumbnail, with clickable timestamps, and saves every summary to your library. Skip the transcript. Get the summary in one click. Zloth adds a Summarize button to every YouTube thumbnail — no copy-pasting, no second tab. Free to start with 120 minutes of video every month. Add to Chrome - Free Compare summarizers Frequently Asked Questions How do I get the transcript of a YouTube video? The fastest way is a transcript tool: paste the video URL into the free YouTube transcript generator on this site and copy the full transcript with timestamps. Alternatively, open the video on YouTube, expand the description, and click "Show transcript" to read it in a side panel. Does every YouTube video have a transcript? No. A transcript exists only if the video has captions — either uploaded by the creator or auto-generated by YouTube. Music videos, brand-new uploads, and some languages often have no caption track, and then no transcript is available anywhere. How do I get a YouTube transcript with timestamps? YouTube's built-in transcript panel shows timestamps but is awkward to copy cleanly. The free transcript generator linked in this guide has a dedicated "Copy with timestamps" button that outputs [mm:ss] before each line. Can I get the transcript of a YouTube Short? Yes, if the Short has captions. Paste the Shorts URL (youtube.com/shorts/…) into the transcript tool and it fetches the caption track the same way as for a normal video. Can I get a YouTube transcript on my phone? Yes. Either open the transcript tool in your mobile browser and paste the video URL, or use the YouTube app: tap the video description, scroll down, and tap "Show transcript". Copying text out of the app panel is clumsy, so for anything you want to paste elsewhere the browser tool is the practical route. How do I turn a YouTube transcript into a summary? Either paste the transcript into an AI chat like ChatGPT with a summary prompt (see our ChatGPT guide), or skip the manual steps: the Zloth Chrome extension summarizes any video in one click from its thumbnail and saves the result to a library. We use analytics and advertising cookies to measure traffic. See our Privacy Policy . Decline Accept --- ## How to Summarize a YouTube Video with ChatGPT (2026 Guide) URL: https://www.zlothai.com/guides/summarize-youtube-video-with-chatgpt/ How to Summarize a YouTube Video with ChatGPT (2026 Guide) Guide How to summarize a YouTube video with ChatGPT ChatGPT can't watch videos — but it summarizes transcripts well. Here is the exact workflow, its limits, and the one-click shortcut. By Alexander Specht · Maker of Zloth · Updated July 13, 2026 Add to Chrome - Free Get a transcript first Key Takeaways ChatGPT cannot watch a YouTube video. If you paste a video link, it typically summarizes the title and description — not the actual content. The reliable method is a transcript: get the video transcript, paste it into ChatGPT with a summary prompt, and it works well. Very long videos can exceed what a single chat handles cleanly — split the transcript or ask for a section-by-section summary. Total effort is 3–5 minutes per video across two tabs; fine occasionally, tedious as a routine. If you summarize YouTube videos regularly, a one-click tool like Zloth does transcript + summary + saving directly on the thumbnail. Can ChatGPT summarize YouTube videos? Not directly — and this is the part most guides skip. ChatGPT cannot watch or listen to a video. If you paste a YouTube link into the chat, it reads the video's page at best: title, description, maybe some comments. The "summary" you get back is often a plausible-sounding guess. What ChatGPT does brilliantly is summarize text . So the working method is simple: give it the video's transcript. The 4-step workflow Get the video's transcript. Paste the video URL into our free YouTube transcript generator and copy the result. (Alternative: YouTube's own transcript panel — see how to get a transcript of a YouTube video .) Open ChatGPT and start a new chat. Paste this prompt, then the transcript: Summarize this YouTube video transcript. Give me: 1) a 3-sentence overview, 2) the key points as bullets with timestamps, 3) any actionable advice. Transcript: [paste here] Refine with follow-ups. "Expand on the point at 12:40", "What did they say about pricing?", "Turn this into 5 tweet-length takeaways." Expect 3–5 minutes per video across two tabs. That is genuinely fine for the occasional video — and genuinely tedious if you do it every day. Do step 1 right here: paste the video URL Get Transcript Free, no signup — fetches the transcript with timestamps in seconds. Better prompts for specific outcomes The generic prompt above works, but ChatGPT gets noticeably better when you tell it what the summary is for . Swap in one of these depending on the job: Study notes from a lecture or tutorial Turn this lecture transcript into study notes: key concepts with one-line definitions, worked examples mentioned, and 5 self-test questions with answers at the end. Transcript: [paste here] Action items from a talk or podcast From this transcript, extract only the concrete, actionable advice as a checklist. Skip background and anecdotes. For each item, add the timestamp where it was said. Transcript: [paste here] Quotes and claims for research List every factual claim and notable quote in this transcript verbatim, with timestamps, grouped by topic. Flag any claim that sounds like an estimate or opinion rather than fact. Transcript: [paste here] "Is this video worth watching?" In 5 sentences: what does this video cover, what is genuinely new or non-obvious in it, and who should watch it in full vs. skip it? Transcript: [paste here] One habit worth stealing: keep the timestamps in the transcript when you paste it. Every prompt above gets more useful when the answer can point you to the exact minute to verify or rewatch. Long videos: the split-and-merge workflow A talking-head video produces roughly 7,000–9,000 words of transcript per hour. One hour usually fits in a single ChatGPT message; a 2–3 hour podcast or lecture often doesn't — the model starts ignoring the middle or the reply gets vague. The fix is mechanical: Split the transcript at natural breaks — chapter marks or round timestamps. Two to four parts is almost always enough; keep each part under ~8,000 words. Summarize each part in the same chat: "This is part 1 of 3 of one video's transcript. Summarize it with timestamps; I'll send the next part after." Merge at the end: "Now combine the three part summaries into one summary of the whole video: overview, key points with timestamps, actionable advice." Budget 10–15 minutes for a long video. This is the point where the manual workflow stops being "free" in any meaningful sense — fine for a one-off deep dive, painful as a routine. Troubleshooting: when the summary comes out wrong The summary sounds plausible but wrong: you probably pasted a link instead of a transcript. Test it — ask about a specific detail from the middle of the video. If ChatGPT can't answer, it never saw the content. Paste the transcript text itself. Names and technical terms are garbled: that's the auto-generated captions, not ChatGPT. Add a line to your prompt: "The transcript is auto-generated; fix obvious speech-to-text errors in names and technical terms from context." The reply ignores the end of the video: the transcript was too long for one message. Use the split-and-merge workflow above. The video is in another language: paste the transcript as-is and ask for the summary in English (or any language) — translation plus summarization in one step is something ChatGPT handles well. No transcript available at all: the video has no caption track (common for music, brand-new uploads, and some languages). No tool can conjure one — see what to do when a video has no captions . The limits to know about Long videos: a 1–2 hour video produces a transcript that can overwhelm a single chat. Split it into parts, summarize each, then merge the summaries. No captions, no luck: if a video has no caption track at all, there is no transcript to paste. That is a YouTube limitation every tool shares. Auto-captions are imperfect: auto-generated transcripts mangle names and jargon; the summary inherits those errors. Nothing is saved: the summary lives in your chat history. Finding "that video summary from three weeks ago" means scrolling. Honest verdict: ChatGPT is a perfectly good free option for occasional summaries. Extensions like Glasp's "YouTube Summary with ChatGPT" semi-automate the copy-paste. The step beyond that is skipping the workflow entirely. The one-click version of everything above Zloth puts a Summarize button on every YouTube thumbnail. One click: transcript fetched, summary written with clickable timestamps, result saved to your library. No tabs, no pasting. Free to start with 120 minutes of video every month. Add to Chrome - Free Compare summarizers Frequently Asked Questions Can ChatGPT summarize YouTube videos? Not directly. ChatGPT cannot watch or listen to video. Pasting a YouTube link usually produces a summary of the page metadata (title, description) rather than the video content. To get a real summary, paste the video transcript into ChatGPT — that works reliably. Can ChatGPT summarize a YouTube video from just a link? Usually not accurately. Even with browsing enabled, ChatGPT reads the video page, not the video itself, so the "summary" is often guessed from the title and description. Always check whether specifics from mid-video appear in the answer; if not, it did not see the content. How do I summarize a long YouTube video with ChatGPT? Long transcripts (1h+ videos) can exceed a chat's comfortable input size. Split the transcript into 2–4 parts, summarize each part, then ask ChatGPT to combine the part summaries into one. Keeping timestamps in the transcript helps it reference sections. Is there a faster way than copy-pasting transcripts? Yes. Purpose-built YouTube summarizers skip the manual steps. Zloth, for example, adds a Summarize button to every YouTube thumbnail — one click returns a timestamped summary and saves it to your library, without opening the video or ChatGPT. Can ChatGPT summarize a YouTube video in another language? Yes. Paste the transcript in its original language and ask for the summary in the language you want — ChatGPT handles translation and summarization in one step. This also works in reverse: an English summary of a foreign-language lecture, or vice versa. Is summarizing YouTube videos with ChatGPT free? Yes. The transcript tool linked in this guide is free, and ChatGPT's free tier handles typical transcripts. The trade-off is time: it is a multi-step, two-tab workflow you repeat for every video. We use analytics and advertising cookies to measure traffic. See our Privacy Policy . Decline Accept --- ## NoteGPT Alternative: Free YouTube Summarizer | Zloth URL: https://www.zlothai.com/notegpt-alternative/ NoteGPT Alternative: Free YouTube Summarizer | Zloth Alternative comparison NoteGPT alternative If NoteGPT feels broader than what you need, Zloth is a focused YouTube summarizer Chrome extension built around one click from the YouTube feed. Add to Chrome - Free Compare features Key Takeaways Zloth is a focused NoteGPT alternative for Chrome users who want fewer steps. Zloth vs NoteGPT in one line: Zloth starts on the YouTube thumbnail, not in a separate link-paste workflow. Free Quick Prompts let you ask a one-off question right on a thumbnail without saving a prompt or opening the video. NoteGPT can still be the better pick if you want students and researchers who want a broad online ai learning suite with batch video, playlist, document, image, audio, and slide tools. First-party comparison proof How we compared these YouTube summarizers Last updated: June 15, 2026 We compared Zloth, Eightify, Glasp, and NoteGPT using public product pages, pricing pages, and Chrome Web Store listings where available. We focused on YouTube-summary workflow, free tier, pricing, clickable timestamps, custom prompts, free one-off Quick Prompts, saved-summary organization, and whether users can avoid copy-pasting links. Competitor claims are limited to facts visible on public pages checked on June 14, 2026. Pricing and feature limits can change. Zloth claims are first-party product claims based on the current Chrome extension: thumbnail summaries, Summary and Analysis modes, free Quick Prompts (one-off custom questions from any thumbnail), Pro saved custom prompts, saved folders, sync, and text-to-speech. Source Checked Used for Eightify website June 14, 2026 Feature claims, positioning, platform coverage Eightify Chrome Web Store listing June 14, 2026 Free trial, Chrome extension claims, feature list Glasp YouTube summarizer page June 14, 2026 YouTube summary features, model/prompt claims Glasp pricing June 14, 2026 Free and paid plan limits NoteGPT YouTube summarizer page June 14, 2026 YouTube summary features, batch/playlist claims NoteGPT pricing June 14, 2026 Paid plan pricing and quota claims A free alternative to NoteGPT Zloth is the lighter NoteGPT alternative when the important workflow is one-click YouTube browsing, saved summaries, folders, and no link-copying loop. Zloth: summarize from thumbnails, avoid tab switching, save summaries into folders, sync across devices. NoteGPT: Students and researchers who want a broad online AI learning suite with batch video, playlist, document, image, audio, and slide tools. Would rather not install anything? Our free guides cover the manual route: how to summarize a YouTube video with ChatGPT , and how to get a transcript of a YouTube video . When NoteGPT is the better pick NoteGPT is a good pick if you want to paste many links at once, process playlists, or use a wider bundle of AI learning tools outside YouTube. Public pricing note: Pricing page lists Pro at $9/month, Unlimited at $19.92/month on annual billing, and Max at $69/month on annual billing. YouTube summarizer comparison table A practical feature comparison focused on workflow, free tier, organization, and pricing. Competitor facts checked against public pages in June 2026. Swipe to compare all tools Criteria Zloth NoteGPT Best fit YouTube-first Chrome users who want summaries before opening videos. Students who want batch processing and an all-in-one AI study suite. Summarize from thumbnail Yes. Zloth adds a Summarize button directly to YouTube thumbnails and watch pages. Primarily promoted as paste/add-link online summarization and batch processing. No copy-pasting links Yes. The core workflow happens inside YouTube. No for the main web workflow; users paste or add video links. Clickable timestamps Yes in Summary mode. Yes. Timestamped video notes are part of its learning workflow. Custom prompts Yes. Save a reusable custom prompt on Pro that powers the default Summarize button. Yes. Custom prompt and summary length are promoted publicly. Quick Prompts (ask from the thumbnail) Yes, free for everyone. Type a one-off question on any YouTube thumbnail with the Ask button - no saved prompt and no opening the video. Custom prompt and length are promoted inside the paste-link workflow, not as a per-thumbnail one-off ask. Saved and organized library Yes. Summaries save to a personal library with folders and sync. Yes, through NoteGPT notes, but the YouTube page emphasizes generated online summaries. Text-to-speech Yes. Built-in TTS, with Pro AI TTS minutes. Voice tools exist in the broader product suite. Free tier Free to start with 120 credits per month (1 credit = 1 minute of video). Free online summarizer is promoted; paid plans add quotas and processing power. Entry paid price $7.99/month or $59.88/year for Pro. $9/month for Pro. Chrome-only focus Yes. Focused on Chrome and YouTube. No. Broad web app and AI learning suite. When Zloth is the better pick When you want the fastest in-flow decision: summarize from the feed, save it, organize it, and move on. Choose Zloth over NoteGPT if you want less copy/paste and fewer all-in-one app surfaces. Screenshots and media See the Zloth workflow These are first-party product captures: thumbnail summaries, timestamp output, and the saved summary library. Summarize from the YouTube thumbnail Zloth places the action before the click, so you can decide whether a video is worth opening. Clickable timestamp summaries Summary mode turns long videos into timestamped notes you can jump through. Saved summary library Useful summaries become a reusable library with folders and sync. Actual review Actual review: where Zloth wins Zloth is best when the YouTube feed is the starting point. Its strongest advantage is not a longer feature list; it is reducing the steps between seeing a video and knowing whether it is worth your time. Best for Students screening lectures and tutorials before committing to a full watch. Researchers and professionals who want timestamped notes without losing their browsing flow. People who want summaries saved into folders instead of temporary AI chat output. Not the best fit for Users who need mobile apps more than a Chrome-first workflow. Users who want a broad highlighting, PDF, or all-in-one AI study suite. Teams that need batch processing of many links at once. Author profile Alexander Specht Maker of Zloth I built Zloth around the moment before you click a video. Most tools help after you already opened the tab. Zloth is meant to answer the earlier question: is this video worth my time at all? About Zloth Contact Chrome Web Store NoteGPT feature notes NoteGPT promotes free online YouTube summarization, transcripts, batch summarization, playlists, custom prompt/length, and 40+ languages. Its page emphasizes copy/paste link generation and batch workflows rather than an in-feed Chrome-first experience. The paid Pro plan lists 1,000 basic quotas per month and supports processing up to 5 YouTube videos at once. Un-copyable proof Example first-party Zloth summary A real Zloth-style summary of our own 20-second product demo transcript. Zloth product demo 00:00 - The problem: opening every YouTube video wastes time before you know whether it is worth watching. 00:04 - Zloth adds the summary action directly to the YouTube thumbnail. 00:08 - The extension returns timestamps and key takeaways, or answers a free one-off Quick Prompt typed on the thumbnail. 00:12 - Summaries are saved into folders and synced across devices. 00:16 - The CTA is simple: add Zloth to Chrome and learn more while watching less. Maker POV Alexander Specht Maker of Zloth I built Zloth around the moment before you click a video. Most tools help after you already opened the tab. Zloth is meant to answer the earlier question: is this video worth my time at all? Try Zloth free in Chrome Use the next YouTube thumbnail as the test. If the summary answers the question, you can skip the video or save it for later. Add to Chrome - Free Back to hub Frequently Asked Questions Is Zloth a free NoteGPT alternative? Yes. Zloth is free to start and is a focused NoteGPT alternative for Chrome users who want to summarize YouTube videos from thumbnails and save results into folders. NoteGPT is a good pick if you want to paste many links at once, process playlists, or use a wider bundle of AI learning tools outside YouTube. Zloth vs NoteGPT: which is better? Zloth is better if you want thumbnail-first Chrome summaries and a saved folder library. NoteGPT is a good pick if you want to paste many links at once, process playlists, or use a wider bundle of AI learning tools outside YouTube. What does NoteGPT do well? NoteGPT is a good pick if you want to paste many links at once, process playlists, or use a wider bundle of AI learning tools outside YouTube. Does Zloth summarize YouTube videos without copying links? Yes. Zloth adds a Summarize button directly to YouTube thumbnails and watch pages, so you can stay in YouTube instead of pasting links into another tab. Is Zloth free? Yes. Zloth is free to start with 120 credits per month — 1 credit summarizes 1 minute of video. Pro is $7.99/month or $59.88/year for heavier use. Does Zloth save summaries? Yes. Every summary is saved into your personal library, and you can organize summaries in folders and sync them across devices. Sources checked Competitor features and pricing change. These public pages were checked on June 14, 2026 for the first-pass comparison. Eightify website (June 14, 2026) Eightify Chrome Web Store listing (June 14, 2026) Glasp YouTube summarizer page (June 14, 2026) Glasp pricing (June 14, 2026) NoteGPT YouTube summarizer page (June 14, 2026) NoteGPT pricing (June 14, 2026) We use analytics and advertising cookies to measure traffic. See our Privacy Policy . Decline Accept --- ## Free YouTube Transcript Generator — Copy Any Transcript URL: https://www.zlothai.com/youtube-transcript-generator/ Free YouTube Transcript Generator — Copy Any Transcript Free tool Free YouTube Transcript Generator Get the transcript of any YouTube video. Paste the URL below and copy the full text with timestamps — free, no signup, no watching required. YouTube video URL Get Transcript Want the summary instead? One click on any thumbnail. Add to Chrome - Free Compare summarizers Copy text Copy with timestamps Want the summary instead of the raw transcript? One click on any YouTube thumbnail — Zloth summarizes the video with timestamps and saves it to your library. Free to start. Add to Chrome - Free See how it compares Key Takeaways Paste any YouTube video URL and get the full transcript with timestamps — free, no signup, no watching required. Works with manual captions, auto-generated captions, and YouTube Shorts. Copy the transcript with or without timestamps, ready to paste into ChatGPT, Claude, notes, or a doc. If a video has no captions at all, YouTube provides no transcript — that is a YouTube limitation, not a tool limitation. Want the summary instead of the raw text? The Zloth Chrome extension summarizes any video in one click from its thumbnail. How to get the transcript of a YouTube video Copy the video URL. Any format works: a normal watch link, a short youtu.be link, or a YouTube Shorts link. Paste it into the generator above and click Get Transcript. Copy the transcript. Take the plain text, or keep the timestamps if you need to reference specific moments. The tool reads the caption track YouTube already stores for the video — manual captions when the creator uploaded them, auto-generated captions otherwise. Nothing is re-transcribed, so the result is instant and free. Want the other methods too? See how to get a transcript of a YouTube video . YouTube to transcript: what people use it for Feeding an AI: paste the transcript into ChatGPT or Claude to ask questions about a video — we wrote up the exact workflow in how to summarize a YouTube video with ChatGPT . Notes and quotes: pull exact wording from lectures, interviews, and tutorials without scrubbing through the video. Research and accessibility: read a video instead of watching it, search the text, or translate it. If your goal is the first one — getting an AI summary — you can skip the copy-paste entirely. The Zloth Chrome extension puts a Summarize button on every YouTube thumbnail and returns a timestamped summary without opening the video. Skip the transcript. Get the summary in one click. Zloth summarizes any YouTube video directly from its thumbnail — no copy-pasting transcripts into another tab. Free to start with 120 minutes of video every month. Add to Chrome - Free Compare summarizers Frequently Asked Questions How do I get the transcript of a YouTube video? Copy the video URL from YouTube, paste it into the transcript generator above, and click Get Transcript. The full transcript appears in seconds with timestamps, and you can copy it with one click. Is this YouTube transcript generator free? Yes. The transcript tool is completely free with no signup. It fetches the caption track YouTube already provides for the video, so there is no cost to pass on. Does it work with auto-generated captions? Yes. If a video only has auto-generated captions, the tool uses those and labels the result as auto-generated. Manual captions are preferred when the video has them, since they are usually more accurate. Why does a video have no transcript? A transcript can only exist if the video has captions. If the creator disabled captions and YouTube has not auto-generated any (common for music, very new uploads, or some languages), there is no caption track to fetch — no transcript tool can produce one in that case. Does it work for YouTube Shorts? Yes. Paste the Shorts URL (youtube.com/shorts/…) and the tool fetches its transcript the same way as for a normal video, as long as the Short has captions. Can I get a summary instead of the full transcript? Yes — that is exactly what the Zloth Chrome extension does. Instead of copying a transcript into ChatGPT, you click Summarize on any YouTube thumbnail and get a timestamped summary saved to your library. It is free to start with 120 credits per month — 1 credit summarizes 1 minute of video, so about two hours of video. We use analytics and advertising cookies to measure traffic. See our Privacy Policy . Decline Accept